. >>> u.s. president barack obama says he wants concrete proposals on gun control presented to him by the end of next month. >> after the school shooting and connecticut, president obama said he was prepared to put the full weight of his office behind this issue. we now know how he plans to do that. these are the victims, three more children buried in newtown, conn., today, a teacher who tried to save them laid to rest as well. now politicians are talking about how to prevent another mass killing of children in their classrooms. >> we have a deep obligation, all of us, to try. >> not president obama has put vice president joe biden in charge, saying that he will outline his proposals next month. >> the good news is there is a growing consensus to build on, with a majority of support banning the sale of military- style assault weapons, a majority support the ammunition clips. that the president says that gun-control legislation will be part of it, but he is not saying, and nobody asked, if he is